Provide the correct state of the on-screen keyboard to the API (patch from Sylvain)

src/core/android/SDL_android.c

@@ -1684,6 +1684,20 @@ void Android_JNI_HideTextInput(void)
     Android_JNI_SendMessage(COMMAND_TEXTEDIT_HIDE, 0);
 }
 
+SDL_bool Android_JNI_IsScreenKeyboardShown()
+{
+    jmethodID mid;
+    jboolean is_shown = 0;
+    JNIEnv *mEnv = Android_JNI_GetEnv();
+    mid = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,"isScreenKeyboardShown","()Z");
+    if (mid) {
+        is_shown = (*mEnv)->CallStaticBooleanMethod(mEnv, mActivityClass, mid);
+    }
+
+    return is_shown;
+}
+
+
 int Android_JNI_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
 {
     JNIEnv *env;

src/core/android/SDL_android.h

@@ -38,6 +38,7 @@ extern void Android_JNI_SetOrientation(int w, int h, int resizable, const char *
 extern SDL_bool Android_JNI_GetAccelerometerValues(float values[3]);
 extern void Android_JNI_ShowTextInput(SDL_Rect *inputRect);
 extern void Android_JNI_HideTextInput(void);
+extern SDL_bool Android_JNI_IsScreenKeyboardShown(void);
 extern ANativeWindow* Android_JNI_GetNativeWindow(void);
 
 /* Audio support */